[RTTY] This is why you are having trouble with the reflector

Thu Apr 17 10:38:54 EDT 2014

Al,

Many thanks for the explanation. I now understand the problem and what is 
happening. Exactly what was needed after I spent over an hour reading all 
sorts of info this morning ... and got more and more confused!

Cheers,

John GW4SKA

----- Original Message ----- 
From: "Al Kozakiewicz" <akozak at hourglass.com>
To: <rtty at contesting.com>
Sent: Thursday, April 17, 2014 3:18 PM
Subject: Re: [RTTY] This is why you are having trouble with the reflector

>I explained this over on TT.
>
> The explanation is complicated but let me see if I can distill it down 
> here: A fairly common technique to reduce spam is to not deliver emails 
> from servers if that server is not listed as authorized to send on behalf 
> of a domain (e..g. yahoo.com).  The decision whether or not to publish 
> this information is optional, as well as the decision of what to do with 
> the information if it is available.
>
> To use yahoo.com as just one example, it has decided to implement a 
> variant of this technology.  It publishes to the internet a list of IP 
> addresses that are allowed to send email claiming to originate from 
> yahoo.com. The problem occurs because contesting.com sends out its emails 
> as claiming to come from the sender of the post.  So joeham at yahoo.com 
> posts to the RTTY reflector.  Contesting.com sends out his post to all 
> subscribers of the list, including billham at gmail.com.  Gmail has decided 
> to implement spf (that's the name of one variant of the technology 
> described above) and when their incoming email server receives a delivery 
> attempt from contesting.com, it checks with yahoo.com to see if the server 
> at contesting.com is on yahoo's list of authotized servers. It's not, so 
> gmail refuses delivery of joeham's post.  No spam, no junk email, nothing 
> at all gets delivered to the gmail user.
>
> The only practical fix for this problem is to reconfigure contesting.com 
> to send out email with the FROM: clause as being a contesting.com email 
> address and not the address of the post originator.  It makes replying 
> directly to the originator difficult, but if the only other choice is no 
> delivery at all, then it seems like a reasonable compromise.
>
> Al
> AB2ZY
>
> ________________________________________
> From: RTTY [rtty-bounces at contesting.com] On Behalf Of John L Merrill 
> [johnn1jm at gmail.com]
> Sent: Thursday, April 17, 2014 9:20 AM
> To: rtty at contesting.com
> Subject: Re: [RTTY] This is why you are having trouble with the reflector
>
> I have three email accounts registered with this reflector-icloud, gmail 
> and
> webmail.wit.edu. Only the icloud.com got the message of hold due to 
> bounces.
> I don't think it has anything to do with only sending a message to the
> reflector but receiving. I haven't sent a message to this reflector for
> quite awhile up until this message.
>
> 73, John N1JM
>
> -----Original Message-----
> From: RTTY [mailto:rtty-bounces at contesting.com] On Behalf Of John GW4SKA
> Sent: Thursday, April 17, 2014 03:18
> To: W0MU Mike Fatchett; rtty at contesting.com
> Subject: Re: [RTTY] This is why you are having trouble with the reflector
>
> Can someone explain what, if anything, I can do to avoid this problem in 
> the
> future?
>
> I have read the posts and looked at other information on the internet. My
> mail address is not Yahoo, Hotmail etc. so is the problem with the 
> original
> sender of the mail?
>
> Keep it simple if possible ... I have never understood all the 
> complexities
> of how email works .. like many others, I am just a computer *user* !
>
> John GW4SKA
>
>
> ----- Original Message -----
> From: "W0MU Mike Fatchett" <w0mu at w0mu.com>
> To: <rtty at contesting.com>
> Sent: Thursday, April 17, 2014 6:26 AM
> Subject: Re: [RTTY] This is why you are having trouble with the reflector
>
>
>> Bill,
>>
>> There is no fixing this.  The companies have made a stupid change to 
>> their
>
>> email systems.  The solution is to not use yahoo, hotmail, etc.  There is
>> a huge thread on this at Towertalk.  It is effecting lots of people.
>>
>> Mike W0MU
>>
>> On 4/16/2014 10:42 PM, Bill Turner wrote:
>>> ORIGINAL MESSAGE:          (may be snipped)
>>>
>>> On 4/16/2014 8:22 PM, Jeff Stai wrote:
>>>> emails.
>>>>
>>>> So because your email address domain (e.g. yahoo.com) does not match 
>>>> the
>>>> sending domain (e.g. contesting.com) a whole bunch of servers are
>>>> bouncing
>>>> your reflector emails. And the reflectors are unsubscribing you because
>>>> of
>>>> too many bounces.
>>>
>>> REPLY:
>>>
>>> Actually, nobody is getting unsubscribed but rather being put on a
>>> temporary hold status because of too many bounces. You need to talk to
>>> your ISP (yahoo.com, hotmail.com or whoever) and get this rectified.
>>>
>>> In the meantime, if you email me direct I will re-instate your service
>>> immediately, but of course, the same thing could happen again if the
>>> problem with your ISP is not fixed.
>>>
>>> Also please note that with some ISPs (such as mine) you will not see 
>>> your
>
>>> own messages to the reflector. They do this to save bandwidth, so they
>>> say. My ISP is based on Google, and I I am told that gmail does the same
>>> thing. You can overcome this by cc'ing or bcc'ing yourself if you wish.
>>>
>>> 73, Bill W6WRT
>>> RTTY List Administrator at contesting.com
>>> dezrat1242 at wildblue.net
>>> _______________________________________________
>>> RTTY mailing list
>>> RTTY at contesting.com
>>> http://lists.contesting.com/mailman/listinfo/rtty
>>
>> _______________________________________________
>> RTTY mailing list
>> RTTY at contesting.com
>> http://lists.contesting.com/mailman/listinfo/rtty
>>
>>
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>
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